摘要
通过2007年对玉渊潭公园6种早樱的调查发现,受到冻害的芽均为花芽,表现为芽死亡或发育不完全;冻害程度与早樱品种、树势以及发生冻害时所处的物候发育期有关.倒春寒天气是造成冻害的主要原因,在暖冬的背景下,春季树木物候期纷纷提前,这种灾害更应引起人们的重视.
By investigating 6 kinds of Cerasus subhirtella in Beijing Yuyunatan Park in 2007,it is discovered that all frozen injured buds are flower buds,which behave as death and incompletion development.The freeze injury is related to breed,blooming condition and phenological phrase.The main cause is low temper ature in spring.In the background of warm winter,which cause the advance of phenological phenomena,the freeze injury should be paid more attention.
出处
《首都师范大学学报（自然科学版）》
2008年第6期59-61,66,共4页
Journal of Capital Normal University：Natural Science Edition
基金
北京市教委资助项目:项目编号KM200710028016
关键词
冻害
早樱
北京
freeze injury,Cerasus subhirtella,Beijing.
